?????1946????????????(F.Block)????????(E.M.Purcell)???????,??????1952?????????50???,???????????????????? - PowerPoint PPT Presentation

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?????1946????????????(F.Block)????????(E.M.Purcell)???????,??????1952?????????50???,????????????????????

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Title: Last modified by: jzh Created Date: 7/15/1996 3:40:02 PM Document presentation format: Other titles – PowerPoint PPT presentation

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Title: ?????1946????????????(F.Block)????????(E.M.Purcell)???????,??????1952?????????50???,????????????????????


1
?????????????????????
  • ????????????
  • ??????????

2
? ?
  • ??????????????????? ,????????????????
    ,???????????????????????????? ,???????????????????
    ???????? ,?????????????? ?
  • ?????1946????????????(F.Block)????????(E.M.Purcell
    )???????,??????1952?????????50???,????????????????
    ????

3
12??????????????????????
  • 1944? I.Rabi
  • 1952? F.Block
  • 1952? E.M.Purcell
  • 1955? W.E.Lamb
  • 1955? P.Kusch
  • 1964? C.H.Townes
  • 1966? A.Kastler
  • 1977? J.H.Van Vleck
  • 1981? N.Bloembergen
  • 1983? H.Taube
  • 1989? N.F.Ramsey
  • 1991? R.R.Ernst

4
????????
  • ??????
  • ???????????
  • ?????????
  • ???(Fourier)??

5
?????? ????????????,????????????????,???????
????,??????
  • ????B0??????

6
????? ?0 ??0 ???????????
  • a.??? ???0
  • b.??? ???

7
?????????
???????,??????,?????????????,?????????????????
?????
  • ???
  • ???
  • ???

?????????,???,???????????????????
????????,???,????????????????????????????
8
???(Fourier)??
  • ???? F?? ???? ???S(t1,t2,
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